74HC292/7292 and HC294/7294 High Speed CMOS Programmable Divider/Timer
High-speed CMOS programmable frequency dividers with low power dissipation
- Supply Voltage: -0.5 to +7 V
- DC Input Voltage: -0.5 to VCC + 0.5 V
- DC Output Voltage: -0.5 to VCC + 0.5 V
- DC Input Diode Current: +20 mA
- DC Output Diode Current: +20 mA
- DC Output Source Sink Current Per Output Pin: +25 mA
- DC VCC or Ground Current: +50 mA
- Power Dissipation: 500 mW
- Storage Temperature: -65 to +150 °C
- Lead Temperature (10 sec): 300 °C
- Package Includes: 1 X 74HC292 High Speed CMOS Programmable Divider Timer IC (74292 IC) DIP-16 Package
Features:
- High-speed operation up to 70 MHz at VCC = 5V
- Low power dissipation: ICC = 4 mA (MAX.) at TA = 25°C
- High noise immunity: VNIH = VNIL = 28% VCC (MIN.)
- Output drive capability 10 LSTTL loads
The 74HC292/7292 and HC294/7294 are high-speed CMOS programmable dividers/timers fabricated with silicon C2 MOS technology. They achieve high-speed operation similar to equivalent LSTTL while maintaining CMOS low power dissipation. These devices are programmable frequency dividers. The types have two clock inputs, either one may be used for clock gating (see the function table).
The HC292/7292 can divide from 22 to 231, and the HC294/7294 can divide from 22 to 215. The types feature an active-low clear input to initialize the state of all flip-flops. To facilitate incoming inspection, test points are provided (TP1, TP2, and TP3 on the HC292/7292 and TP on the HC294/7294). All inputs are equipped with protection circuits against static discharge and transient excess voltage. HC292/294 have Q output with "Totem pole" configuration and test point TP with "Open Drain" output configuration. HC7292/7294 have all outputs "Totem Pole".
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